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Finding the Fourth Proportional to 6,279.56, 9,419.34 and 4,893.94

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Solution

The fourth proportional to 6,279.56, 9,419.34 and 4,893.94 is: 7,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.56 : 9,419.34 = 4,893.94 : x
  2. Step 2: Convert to fraction form
    6,279.56/9,419.34 = 4,893.94/x
  3. Step 3: Cross multiply
    6,279.56x = 9,419.34 × 4,893.94
  4. Step 4: Simplify right side
    6,279.56x = 46,097,684.80
  5. Step 5: Solve for x
    x = 46,097,684.80/6,279.56
  6. Step 6: Final answer
    x = 7,340.91

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.